package org.example.videotran.utils;

import lombok.extern.slf4j.Slf4j;

import java.security.MessageDigest;

@Slf4j
public class MD5Utils {


    /***
     * MD5加码 生成32位md5码
     */
    public static String Encrypt(String password) {
        MessageDigest md5 = null;
        try {
            md5 = MessageDigest.getInstance("MD5");
        } catch (Exception e) {
            log.info(e.toString());
            e.printStackTrace();
            return "";
        }
        char[] charArray = password.toCharArray();
        byte[] byteArray = new byte[charArray.length];

        for (int i = 0; i < charArray.length; i++)
            byteArray[i] = (byte) charArray[i];
        byte[] md5Bytes = md5.digest(byteArray);
        StringBuffer hexValue = new StringBuffer();
        for (int i = 0; i < md5Bytes.length; i++) {
            int val = ((int) md5Bytes[i]) & 0xff;
            if (val < 16)
                hexValue.append("0");
            hexValue.append(Integer.toHexString(val));
        }
        return hexValue.toString();

    }

    /**
     * 判断输入的密码和数据库中保存的MD5密码是否一致
     * @param inputPassword 输入的密码
     * @param MD5Password 数据库保存的密码
     * @return
     */
    public static boolean passwordIsTrue(String inputPassword,String MD5Password) {

        String md5 = Encrypt(inputPassword);
        return md5.equals(MD5Password);
    }

    public static void main(String[] args) {
        System.out.println(MD5Utils.Encrypt("123456"));
    }


}
